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    • 1. 发明专利
    • エンジン発電機
    • 发动机发电机
    • JP2015050815A
    • 2015-03-16
    • JP2013179794
    • 2013-08-30
    • ヤンマー株式会社Yanmar Co Ltd
    • FUJISAWA TOSHINOBUOGATA KENJIISE TOSHIFUMIMIURA YUSHI
    • H02J7/14F02B63/04H02P9/04
    • H02P9/02H02J7/1492H02P9/30H02P9/48Y02T10/92
    • 【課題】直流側に電力貯蔵手段を設けたエンジン発電機であって、負荷への供給電力の不足量の演算を行うことなく、自立運転時でのエンジンの回転数変動を抑えることができ、これにより、投入可能負荷量を増大させるエンジン発電機を提供する。【解決手段】エンジン発電機は、充放電制御を行うに当たって整流器からインバータまでの経路の直流電圧を検知し、直流電圧が該直流電圧の目標電圧よりも大きい場合は電力貯蔵手段の充電用導通手段に対するスイッチング制御におけるデューティ比を電力貯蔵手段の放電用導通手段に対するスイッチング制御におけるデューティ比よりも大きい値に設定し、直流電圧が目標電圧よりも小さい場合は電力貯蔵手段の放電用導通手段に対するスイッチング制御におけるデューティ比を電力貯蔵手段の充電用導通手段に対するスイッチング制御におけるデューティ比よりも大きい値に設定する。【選択図】図3
    • 要解决的问题:为了提供一种在直流侧设置有蓄电装置的发动机发电机,能够抑制自主运行时的发动机转数的变动,而不会计算出对负载的供电不足, 输入可用负载。解决方案:发动机发电机在进行充放电控制时检测从整流器到逆变器的路径的直流电压,设定蓄电装置的充电传导装置的占空比大于占空比 在直流电压大于直流电压的目标电压的情况下,在蓄电装置的放电导通装置的开关控制中的比率,否则设定蓄电装置的放电导通装置的开关控制中的占空比大于 蓄电装置的充电导通装置的开关控制中的占空比。
    • 2. 发明专利
    • Engine system
    • 发动机系统
    • JP2011050180A
    • 2011-03-10
    • JP2009196582
    • 2009-08-27
    • Yanmar Co Ltdヤンマー株式会社
    • FUJISAWA TOSHINOBUKONO TATSUYAONO MASAAKI
    • H02J3/38G05F1/10
    • H02M5/12H02P4/00
    • PROBLEM TO BE SOLVED: To provide an engine system realizing specification change of power voltage from an AC power supply at low cost without separately installing a transformer in a case when the power voltage whose specification is to be changed becomes higher than an assumed voltage. SOLUTION: The engine system 100 is provided with a transformer 130, a power receiving apparatus 140 and a switch 150. The switch 150 is connected to a first terminal 152 connected to one terminal 134 of a primary side 131 or a second terminal 153 connected to a branch terminal 136 in a switch terminal 151 connected to one power receiving terminal 141 of the power receiving apparatus 140. An other power receiving terminal 142 of the power receiving apparatus 140 and an other terminal 135 of the primary side 131 are connected, and the primary side 131 and an AC power supply 200 are conducted. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种发动机系统,其在低成本地实现来自交流电源的电力电压的规格变化,而不需要在规格变化的电源电压变得高于假定的情况下单独安装变压器 电压。 发动机系统100设置有变压器130,电力接收装置140和开关150.开关150连接到连接到初级侧131的一个端子134的第一端子152或第二端子 连接到与受电装置140的一个电力接收端子141连接的开关端子151中的分支端子136.电源接收装置140的另一个电力接收端子142和初级侧的另一个端子135被连接 ,并且进行初级侧131和AC电源200。 版权所有(C)2011,JPO&INPIT
    • 4. 发明专利
    • Combine harvester
    • 联合收割机
    • JP2014183799A
    • 2014-10-02
    • JP2013062574
    • 2013-03-25
    • Yanmar Co Ltdヤンマー株式会社
    • TERAJIMA ATSUSHIYASAKA KENJIFUJISAWA TOSHINOBU
    • A01F12/48A01D69/02
    • Y02P60/12
    • PROBLEM TO BE SOLVED: To provide a combine harvester which can facilitate cooling of an inverter and permits the inverter to be set in a place where an operator can gain access easily.SOLUTION: A combine harvester 1 includes a side plate 45 disposed on a part on the side of a machine body 2, a winnower 42a which is disposed inside the side plate 45 for subjecting threshed products to a wind-powered separation, and inverters 83, 195. An air inlet port 45a for the winnower 42a is formed in the side plate 45, and the inverters 83, 195 are disposed on a flow passage of ambient air flowing toward the air inlet port 45a by rotary drive of the winnower 42a. In addition, in the combine harvester 1, parts other than cooling fins 83a, 195a of the inverters 83, 195 are covered in a box 3, and the cooling fins 83a, 195a of the inverters 83, 195 are exposed from the box 3.
    • 要解决的问题:提供一种联合收割机,其可以促进逆变器的冷却,并且允许将逆变器设置在操作者可以容易地进入的地方。解决方案:联合收割机1包括设置在部件上的侧板45 在机体2的侧面,设置在侧板45的内侧,用于对产品进行风力分离的逆转器83,195的设置在所述侧板45内的用于所述冷却器42a的空气入口45a。 侧板45和逆变器83,195设置在环绕空气的流动通道上,该环境空气通过绞车42a的旋转驱动而流向空气入口45a。 此外,在联合收割机1中,除了逆变器83,195的冷却片83a,195a以外的部分被包围在箱3中,并且逆变器83,195的冷却片83a,195a从盒3露出。
    • 5. 发明专利
    • Engine generator
    • 发动机发电机
    • JP2010209684A
    • 2010-09-24
    • JP2009053445
    • 2009-03-06
    • Nichicon CorpYanmar Co Ltdニチコン株式会社ヤンマー株式会社
    • NOTO KENYAMAGATA TADANAOIKEDA TOMOYUKIODA YUSUKEKITAYAMA SHUNSUKEGOTO TOYOHIROKINOSHITA HITOSHIFUJISAWA TOSHINOBUMIYAGAWA RYUJI
    • F02B63/04
    • PROBLEM TO BE SOLVED: To provide an engine generator accommodated with a power accumulation device which is practical, compact in size, and has an uninterruptible function.
      SOLUTION: In the engine generator 1 accommodating an engine E and a generator G in an equipment chamber 3, exhaust mufflers 37, 37 of the engine E are accommodated in the equipment chamber 3, one side surface of the equipment chamber 3 is covered with an intake hood 4, the other side surface is covered with an exhaust hood 5, an exhaust pipe 38 downstream of the exhaust muffler 37 is provided to pass through the exhaust hood 5 and the other-side surface of the equipment chamber 3 covered with the exhaust hood 5, the power accumulation device 10 having the uninterruptible function is accommodated in a power accumulation chamber 2 composed of a casing independent from the equipment chamber 3, and the power accumulation chamber 2 is installed on an upper surface of the equipment chamber 3.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种容纳有实用的,紧凑的并具有不间断功能的蓄电装置的发动机发电机。 解决方案:在发动机发动机1中,在发动机E中容纳发动机E和发电机G,发动机E的排气消声器37,37容纳在设备室3中,设备室3的一个侧面 覆盖有吸气罩4,另一侧表面被排气罩5覆盖,排气消声器37下游的排气管38设置成穿过排气罩5并且覆盖设备室3的另一侧表面 利用排气罩5,具有不间断功能的动力蓄积装置10被容纳在由独立于设备室3的壳体构成的动力储存室2中,并且动力蓄积室2安装在设备室的上表面 3.版权所有(C)2010,JPO&INPIT
    • 6. 发明专利
    • Dc power supply
    • 直流电源
    • JP2008206261A
    • 2008-09-04
    • JP2007038152
    • 2007-02-19
    • Yanmar Co Ltdヤンマー株式会社
    • MOGI SHINICHIFUJISAWA TOSHINOBUMURANAKA TOSHIROOTSUKA SHINICHIKANEYA YOSHIHISA
    • H02M7/06
    • PROBLEM TO BE SOLVED: To provide a DC power supply which can secure a required power factor when three-phase AC is converted into DC, and can secure a required DC output voltage while obtaining the required power factor even when single-phase AC is converted into DC.
      SOLUTION: The DC power supply 100 for converting AC from an AC power supply into DC includes a three-phase full-wave rectification type rectifier 10, and a first inductor Ld interposed in the output line 12a connected between the output side of the rectifier 10 and the load circuit Lo and a first capacitor Cd. The value Ld [mH] of the first inductor is set to satisfy the relation: Ld≥4.5×Vs
      2 /(Pc×fs), wherein the voltage effective value of the AC power supply is Vs [V], the frequency of the AC power supply is fs [Hz], and a conversion power is Pc [W].
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种直流电源,当三相交流电转换为直流电时,可以确保所需的功率因数,并可以确保所需的直流输出电压,同时获得所需的功率因数,即使是单相 AC被转换成DC。 解决方案:用于将AC从AC电源转换为DC的DC电源100包括三相全波整流型整流器10和插入输出线12a中的第一电感器Ld,该第一电感器Ld连接在 整流器10和负载电路Lo以及第一电容器Cd。 将第一电感器的值Ld [mH]设定为满足关系式:Ld≥4.5×Vs 2 /(Pc×fs),其中,交流电源的电压有效值为Vs [ V],交流电源的频率为fs [Hz],转换功率为Pc [W]。 版权所有(C)2008,JPO&INPIT
    • 8. 发明专利
    • Generator and method of detecting phase interruption of generator
    • 发电机和检测发电机相位中断的方法
    • JP2005269712A
    • 2005-09-29
    • JP2004075025
    • 2004-03-16
    • Yanmar Co Ltdヤンマー株式会社
    • FUJISAWA TOSHINOBUTOKIWA MASAYOSHI
    • H02H7/06H02P9/00
    • PROBLEM TO BE SOLVED: To provide a generator which can surely detect a phase interruption (the wiring being disconnected due to wire breaking, bad contact, etc.) without being accompanied with increase of parts number, and a method of detecting the phase interruption of the generator. SOLUTION: The generator 11, which is equipped with a plurality of AC output systems 12 and 13, is provided with a clamp meters 16U, a clamp meter 16V, and a clamp meter 16W being phase interruption detecting means for detecting a phase interruption, separately for each group of wiring of the same phase belonging to different AC output systems 12 and 13. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种能够可靠地检测相位中断的发生器(由于断线,接线不良导致的布线断开,而不伴随部件数量的增加),以及检测方法 发电机的相位中断。

      解决方案:配备有多个交流输出系统12和13的发电机11设置有钳形计16U,钳位计16V和钳位表16W,相位中断检测装置用于检测相位 对于属于不同交流输出系统12和13的同一相的每组接线,分别进行中断。版权所有(C)2005,JPO&NCIPI

    • 9. 发明专利
    • Method of controlling excitation of stepping motor
    • 控制步进电机激励的方法
    • JP2005269711A
    • 2005-09-29
    • JP2004075024
    • 2004-03-16
    • Yanmar Co Ltdヤンマー株式会社
    • TOKIWA MASAYOSHIFUJISAWA TOSHINOBUSATO HIROSUKE
    • F02D9/02F02D11/10F02D41/20H02P8/22
    • PROBLEM TO BE SOLVED: To improve the followingness of a control target and perform highly precise drive control by switching its excitation pattern according to a situation, regarding an excitation control method for a stepping motor. SOLUTION: The amount of the operation (the number of steps) of the stepping motor is obtained by deviation between the target number of revolutions and the actual number of revolutions, regarding the excitation pattern of the stepping motor, and in the case that the amount of the operation reaches a specified value or higher, two-phase excitation is adopted, while in the case that the amount of the operation is not higher than the specified value, one-two phase excitation is adopted. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:关于步进电机的励磁控制方法,为了提高控制目标的跟随性,并且根据情况通过切换其激励模式来执行高精度的驱动控制。 解决方案:关于步进电机的激励模式,步进电机的操作量(步数)是通过目标转数与实际转数之间的偏差获得的,在这种情况下 操作量达到规定值以上时,采用两相励磁,而在操作量不高于规定值的情况下,采用1相励磁。 版权所有(C)2005,JPO&NCIPI
    • 10. 发明专利
    • Running vehicle
    • 运行车辆
    • JP2014185620A
    • 2014-10-02
    • JP2013062575
    • 2013-03-25
    • Yanmar Co Ltdヤンマー株式会社
    • TERAJIMA ATSUSHIYASAKA KENJIFUJISAWA TOSHINOBU
    • F02B63/04A01D41/12A01D69/02A01D69/06
    • A01D69/02F02B63/04
    • PROBLEM TO BE SOLVED: To provide a running vehicle in which a power transmission system leading to a power generator is simply formed and rotations of an engine is smoothly transmitted to the power generator.SOLUTION: A combine 1 includes: an engine 80; a power generator 81 driven by the engine 80; and a transmission shaft 110 which is disposed between the engine 80 and the power generator 81 and transmits rotations of the engine 80 to the power generator 81. A joint part 120 which may deform in a bending manner is formed at the transmission shaft 110. Further, the joint part 120 of the transmission shaft 110 bends so as to absorb relative misalignment between the engine 80 and the power generator 81.
    • 要解决的问题:提供一种运行车辆,其中简单地形成通向发电机的动力传动系统,并且将发动机的旋转平稳地传递到发电机。解决方案:组合体1包括:发动机80; 由发动机80驱动的发电机81; 以及设置在发动机80和发电机81之间并将发动机80的转动传递到发电机81的传动轴110.在变速器轴110处形成可以弯曲变形的接头部120。 传动轴110的接头部分120弯曲以吸收发动机80和发电机81之间的相对不对准。